game = [1,2,3]
for g in game do 
    puts game
end
#from 1 to 5
for num in 1..5 do
    puts num
end
#from 1 to 4
for num in 1...5 do
    puts num
end

index = 0
while index < 5 do
    puts "index" + index.to_s
    index += 1
end

index = 0
until index == 5 do
    puts "until.index="+index.to_s
    index+=1
end
